ISOBE, T. Relaxed Yang-Mills functional over 4-manifolds. Topological Methods in Nonlinear Analysis, [S. l.], v. 6, n. 2, p. 235–253, 1995. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.1995.043. Acesso em: 22 jul. 2024.